Individual Calculations April 2008
 Giacchetti, Claudio  Total change: 15.25  Rating chartPersonal card
 CP Chieti Chieti ITA 2008-01-12
RcRownchangeKK*chgGame
 1919 2066 2.00 2 0.61 25 15.25 
  Orsini, Daniele 1963 ITA1.0010.36259.00 
  Antonelli, Alessandro 1875 ITA1.0010.25256.25 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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